Cottage Grove Ave over Deer CR
PoorCook County, Illinois · 1.25 N Joe Orr P2 · Structure no. 016310900000000
- Built
- 1932
- 93 years old
- Condition
- Poor
- inspected July 2023
- Type
- Tee Beam
- Concrete
- Length
- 53 ft
- 1 main span
- Daily traffic
- 5,100
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Cottage Grove Ave over Deer CR is a concrete tee beam carrying Cottage Grove Ave over Deer CR in Cook County, Illinois. It was built in 1932, so it is 93 years old, older than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 5,100 vehicles a day, roughly 12% of them trucks, projected to reach 6,565 by 2046. The structure is 53 ft (16.2 m) long and 56 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Cottage Grove Ave over Deer CR built?
It was built in 1932, making it 93 years old in 2025.
What condition is Cottage Grove Ave over Deer CR in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2023.
How much traffic does Cottage Grove Ave over Deer CR carry?
About 5,100 vehicles per day (2022 count), of which roughly 12% are trucks.
How long is Cottage Grove Ave over Deer CR?
The structure is 53 ft (16.2 m) long with a longest span of 51 ft (15.5 m) and a deck 56 ft wide.
Who owns Cottage Grove Ave over Deer CR?
It is owned by the County Highway Agency.